The Multiplicity of Mutations in Human Cancers -- Monitoring Chromosome Rearrangements -- Nucleotide Excision Repair and its Connection with Cancer and Ageing -- DNA Mismatch Repair and Colon Cancer -- Base Excision Repair -- Genomic Instability in Cancer Development -- Translesion Synthesis And Errorprone Polymerases -- The INK4A/Arf Network — Cell Cycle Checkpoint or Emergency Brake? -- DNA…